1use std::fs::File;
2use std::path::{Path};
3use std::{fs, io};
4use zip::ZipArchive;
5use std::io::{BufReader, copy};
6use std::time::Instant;
7use flate2::write::GzEncoder;
8use flate2::Compression;
9
10pub struct Decompress;
11pub struct Compress;
12impl Decompress {
13 pub fn local_str(filepath: &str) {
26 let filename = Path::new(filepath);
27 let file = File::open(&filename).unwrap();
28 let mut archive = ZipArchive::new(file).unwrap();
29
30 for i in 0..archive.len() {
31 let mut file = archive.by_index(i).unwrap();
32
33 let outpath = match file.enclosed_name() {
34 Some(path) => path.to_owned(),
35 None => continue,
36 };
37
38 {
39 let comment = file.comment();
40 if !comment.is_empty() {
41 println!("File: {}, comment: {}", i, comment);
42 }
43 }
44
45 if (*file.name()).ends_with("/") {
46 fs::create_dir_all(&outpath).unwrap();
47 } else {
48 if let Some(p) = outpath.parent() {
49 if !p.exists() {
50 fs::create_dir_all(&p).unwrap();
51 }
52 }
53
54 let mut outfile = File::create(&outpath).unwrap();
55 io::copy(&mut file, &mut outfile).unwrap();
56 }
57
58 #[cfg(unix)]
59 {
60 use std::os::unix::fs::PermissionsExt;
61
62 if let Some(mode) = file.unix_mode() {
63 fs::set_permissions(&outpath, fs::Permissions::from_mode(mode)).unwrap();
64 }
65 }
66 }
67 }
68
69 pub fn local_buffer(filepath: &Path) {
85 let file = File::open(&filepath).unwrap();
86 let mut archive = ZipArchive::new(file).unwrap();
87
88 for i in 0..archive.len() {
89 let mut file = archive.by_index(i).unwrap();
90
91 let outpath = match file.enclosed_name() {
92 Some(path) => path.to_owned(),
93 None => continue,
94 };
95
96 {
97 let comment = file.comment();
98 if !comment.is_empty() {
99 println!("File: {}, comment: {}", i, comment);
100 }
101 }
102
103 if (*file.name()).ends_with("/") {
104 fs::create_dir_all(&outpath).unwrap();
105 } else {
106 if let Some(p) = outpath.parent() {
107 if !p.exists() {
108 fs::create_dir_all(&p).unwrap();
109 }
110 }
111
112 let mut outfile = File::create(&outpath).unwrap();
113 io::copy(&mut file, &mut outfile).unwrap();
114 }
115
116 #[cfg(unix)]
117 {
118 use std::os::unix::fs::PermissionsExt;
119
120 if let Some(mode) = file.unix_mode() {
121 fs::set_permissions(&outpath, fs::Permissions::from_mode(mode)).unwrap();
122 }
123 }
124 }
125 }
126}
127
128impl Compress {
129
130
131
132 pub fn zip(path: &Path, output: &Path) {
133 let mut input = BufReader::new(File::open(path).unwrap());
134 let output = File::create(output).unwrap();
135 let mut encoder = GzEncoder::new(output, Compression::default());
136
137 let start = Instant::now();
138 copy(&mut input, &mut encoder).unwrap();
139 let output = encoder.finish().unwrap();
140
141 println!(
142 "Source len: {:?}",
143 input.get_ref().metadata().unwrap().len()
144 );
145
146 println!("Target len: {:?}", output.metadata().unwrap().len());
147 println!("Elapsed: {:?}", start.elapsed());
148 }
149}